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    • 8. 发明授权
    • Diamond coated sintered body
    • 金刚石涂层烧结体
    • US4990403A
    • 1991-02-05
    • US459626
    • 1990-01-02
    • Toshimichi Ito
    • Toshimichi Ito
    • B24D3/10C04B41/50C04B41/85C23C16/26
    • C04B41/009B24D3/10C04B41/5002C04B41/85C23C16/26Y10S428/936Y10T428/30
    • The present invention provides a diamond coated sintered body characterized by having a diamond film formed by a gas phase synthesis method on the surface of a sintered body obtained from a mixture of tungsten carbide and at least one compound selected from the group consisting of carbide and nitride of silicon or boron and, if necessary, additionally at least one compound selected from the group consisting of carbide, oxide, nitride, carbonitride, carbonate, boride and organic compound of at least one element selected from the group consisting of metals and rare earth elements belonging to Groups Ia, IIa, IIIa, IVa, Va, IIIb and IVb of the Mendelejeff's periodic table.
    • 本发明提供一种金刚石涂层烧结体,其特征在于,在碳化物与选自碳化物和氮化物的至少一种化合物的混合物中,在烧结体的表面上具有通过气相合成法形成的金刚石膜 的硅或硼,并且如果需要另外选自碳化物,氧化物,氮化物,碳氮化物,碳酸盐,硼化物和选自金属和稀土元素中的至少一种元素的有机化合物中的至少一种化合物 属于Mendelejeff周期表的Ia,IIa,IIIa,IVa,Va,IIIb和IVb族组。
    • 9. 发明授权
    • Foaming propylene copolymer, and foamed particles and foams thereof
    • 发泡丙烯共聚物,发泡颗粒和泡沫
    • US6150427A
    • 2000-11-21
    • US147735
    • 1999-02-26
    • Toshimichi ItoYasushi SetaRyoichi Tsunori
    • Toshimichi ItoYasushi SetaRyoichi Tsunori
    • C08J9/18C08F210/06C08F210/16C08J9/16C08J9/228C08J9/20C08J9/22
    • C08J9/16C08F210/06C08F210/16C08J2323/16
    • Provided are a foaming propylene-ethylene random copolymer which is characterized in that (1) its ethylene unit content [x (wt. %)] falls between 0.2 and 10% by weight, (2) its MI falls between 1 and 16 g/10 min, (3) its boiling diethyl ether extraction [E (wt. %)] and x satisfy the relation of a formula (I):E.ltoreq.0.25x+1.1 (I),(4) its melting point [Tm (.degree. C.)] and x satisfy the relation of a formula (II):Tm.ltoreq.165-5x (II),(5) its isotactic triad fraction in the PPP chain moiety as measured through .sup.13 C.ltoreq.NMR is not smaller than 98 mol %, and preferably, (6) the relation between the time of relaxation .tau. (sec) of the copolymer and MI of the copolymer satisfies a formula (III):.tau..ltoreq.0.80-0.42.times.log MI (III),and also its foaming beads and cellular articles. The copolymer and its foaming beads have improved primary and secondary foamability, and the cellular articles of the copolymer have excellent mechanical properties including rigidity.
    • PCT No.PCT / JP98 / 02926 Sec。 371日期1999年2月26日 102(e)日期1999年2月26日PCT提交1998年6月30日PCT公布。 WO99 /​​ 01486 PCT公开号 日期1999年1月14日提供发泡丙烯 - 乙烯无规共聚物,其特征在于(1)其乙烯单元含量[x(重量%)]为0.2-10重量%,(2)其MI为 1和16g / 10min,(3)其沸腾乙醚萃取[E(wt。%)]和x满足式(I)的关系:E <= 0.25x + 1.1(I),(4 )其熔点[Tm(℃)]和x满足式(II)的关系:Tm 165-5x(II),(5)其PPP链部分中的全同立构三单元组分数通过 13 C NMR不小于98mol%,优选(6)共聚物的松弛时间τ(sec)与共聚物的MI之间的关系满足式(III):τ<0.80 -0.42xlog MI(III),还有其发泡珠和细胞制品。 共聚物及其发泡珠具有改善的初级和次级起泡性,并且共聚物的多孔物品具有优异的机械性能,包括刚性。